The tighter controls will take place for the next 10 days around Sweden's southern and western border, according to Partik Engström, head of the border police section at the national operations division for the Swedish police force. They may also be extended for a longer period of time.
Engström says police won't be checking every traveler crossing the border and that stops will be random and not based on any ethnicity or profile.
"People who want to travel to Sweden need to show that they have the right to enter Sweden," Engström told reporters at a news conference. "Either they have a residency permit, or are a citizen of a Schengen country or one that doesn't need a visa to enter. If they can't demonstrate that, they can apply for asylum if they want. They will then be subject to a review by the Migration Agency."
Engström adds that if people don't want to apply for asylum, the police will decide if they should be extradited back to Denmark or Germany. If there is any uncertainty in the case, officers will refer it to the Migration Agency.
The Swedish government announced late Wednesday that the country would set up border controls for the next 10 days in order to exert some control over the rising number of migrants entering from neighboring Denmark and Germany.
The government said the move would "bring order" to Sweden receiving migrants and make sure they are registered when they enter.
The checks come at the request of the Swedish Migration Agency, which said re-establishing the check would help the agency cope with the record number of asylum seekers coming to Sweden. The agency's head Anders Danielsson says the measures are not meant to deter people from seeking asylum in Sweden.
Main points of entry into Sweden, like the Öresund Bridge that links Sweden with Denmark and ferry terminals that carry travelers to and from Germany, will be watched most.